Cover Picture. Math. Log. Q., 67(1):1, 2021. [doi]
@article{X21-107, title = {Cover Picture}, year = {2021}, doi = {10.1002/malq.20210001}, url = {https://doi.org/10.1002/malq.20210001}, researchr = {https://researchr.org/publication/X21-107}, cites = {0}, citedby = {0}, journal = {Math. Log. Q.}, volume = {67}, number = {1}, pages = {1}, }